/Engine/Source/Runtime/AudioCaptureCore/Public/AudioCaptureDeviceInterface.h
struct FAudioCaptureDeviceParams
bool
bUseHardwareAEC
Set to true to use this device's built-in echo cancellation, if possible.
int32
DeviceIndex
Set this to INDEX_NONE.
int32
NumInputChannels
Number of input channels on the device available for recording audio.
EPCMAudioEncodi...
PCMAudioEncoding
The bit depth to use when recording audio on this device.
int32
SampleRate
The sample rate to use when recording audio on this device.